<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_View
 * @subpackage Helper
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: FormButton.php 16541 2009-07-07 06:59:03Z bkarwin $
 */


/**
 * Abstract class for extension
 */
require_once 'Zend/View/Helper/FormElement.php';


/**
 * Helper to generate a "button" element
 *
 * @category   Zend
 * @package    Zend_View
 * @subpackage Helper
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_View_Helper_FormButton extends Zend_View_Helper_FormElement
{
	/**
	 * Generates a 'button' element.
	 *
	 * @access public
	 *
	 * @param string|array $name If a string, the element name.  If an
	 * array, all other parameters are ignored, and the array elements
	 * are extracted in place of added parameters.
	 *
	 * @param mixed $value The element value.
	 *
	 * @param array $attribs Attributes for the element tag.
	 *
	 * @return string The element XHTML.
	 */
	public function formButton($name, $value = null, $attribs = null)
	{
		$info    = $this->_getInfo($name, $value, $attribs);
		extract($info); // name, id, value, attribs, options, listsep, disable

		// Get content
		$content = '';
		if (isset($attribs['content'])) {
			$content = $attribs['content'];
			unset($attribs['content']);
		} else {
			$content = $value;
		}

		// Ensure type is sane
		$type = 'button';
		if (isset($attribs['type'])) {
			$attribs['type'] = strtolower($attribs['type']);
			if (in_array($attribs['type'], array('submit', 'reset', 'button'))) {
				$type = $attribs['type'];
			}
			unset($attribs['type']);
		}

		// build the element
		if ($disable) {
			$attribs['disabled'] = 'disabled';
		}

		$content = ($escape) ? $this->view->escape($content) : $content;

		$xhtml = '<button'
		. ' name="' . $this->view->escape($name) . '"'
		. ' id="' . $this->view->escape($id) . '"'
		. ' type="' . $type . '"';

		// add a value if one is given
		if (!empty($value)) {
			$xhtml .= ' value="' . $this->view->escape($value) . '"';
		}

		// add attributes and close start tag
		$xhtml .= $this->_htmlAttribs($attribs) . '>';

		// add content and end tag
		$xhtml .= $content . '</button>';

		return $xhtml;
	}
}
